Basic Technical Mathematics, 11th Edition

CHAPTER 2 REVIEW EXERCISES

CONCEPT CHECK EXERCISES

Determine each of the following as being either true or false. If it is false, explain why.

1. In Fig. 2.6, $\hspace{0.17em}\angle \hspace{0.17em}AOC$ is the complement of $\hspace{0.17em}\angle \hspace{0.17em}COB\hspace{0.17em}.\hspace{0.17em}$

2. A triangle of sides 9, 12, 15 is a right triangle.

3. A quadrilateral with two sides of length a two sides of length b is always a parallelogram.

4. The circumference of a circle of diameter d is $\pi d\hspace{0.17em}.\hspace{0.17em}$

5. Simpson’s rule could be used to find the approximate area in Example 2 of Section 2.5.

6. The volume of a right circular cylinder is the base area times the height.

PRACTICE APPLICATIONS

In Exercises 7–10, use Fig. 2.131. Determine the indicated angles.

Fig. ...